Finding the Fourth Proportional to 1,783,755,892.01, 2,675,660,745.41 and 619,261,374.08
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Solution
The fourth proportional to 1,783,755,892.01, 2,675,660,745.41 and 619,261,374.08 is: 928,901,402.48
Step by Step Solution
- Step 1: Write the proportion equation
1,783,755,892.01 : 2,675,660,745.41 = 619,261,374.08 : x - Step 2: Convert to fraction form
1,783,755,892.01/2,675,660,745.41 = 619,261,374.08/x - Step 3: Cross multiply
1,783,755,892.01x = 2,675,660,745.41 × 619,261,374.08 - Step 4: Simplify right side
1,783,755,892.01x = 1,656,933,349,774,513,664 - Step 5: Solve for x
x = 1,656,933,349,774,513,664/1,783,755,892.01 - Step 6: Final answer
x = 928,901,402.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.